question about porting a turbohousing

[LTUDSM]

hey guys ,today i poerted my turbo housing,wastegate plapper,o2 housing,and i want to ask you guys can i port the turbohousing part, where the exhaust goes through the o2 housing ????

 

[bmwisthekey]

Sure you can.

 

[LTUDSM]

so if i make the hole bigger then my turbo wheel wouldnt spool that fast m i right???

 

[4pistons]

hey guys ,today i poerted my turbo housing,wastegate plapper,o2 housing,and i want to ask you guys can i port the turbohousing part, where the exhaust goes through the o2 housing ????

What part are you refering to?? You mentioned the O2 housing twice. The only place to port an O2 housing IS where the exhaust goes through.

Generally, anytime you can improve exhaust flow by porting to make the passage bigger, smoother, and/or straighter - WITHOUT COMPROMISING THE STRENGTH OF THE PART - it's a good thing.

I'm talking about the exhaust in general so don't flame me for "intake port velocities" and that jazz!

Rick - '91 GSX

 

[oldman]

so if i make the hole bigger then my turbo wheel wouldnt spool that fast m i right???

False, proper enlargement of any areas after the turbo will reduce back pressure and improve spool time.

 

[LTUDSM]

http://i136.photobucket.com/albums/q184/marka_bucket/16g-1.jpg

thats what im talking about, sorry if i wasnt clear in my previous posts